The latest officially reported population of Bulgaria was 6,441,421 in 2024 vs 37,860,221 people in Ukraine in 2024. In 2026, based on the adjusted UN estimation, the current Bulgaria's population is 6,359,449 people compared to 40,125,599 in Ukraine.
Population statistics:
- Ukraine's population is 6.31 times bigger than Bulgaria's.
- Bulgaria is ranked the 112th most populous country in the world, while Ukraine is the 40th.
- The countries together account for 0.56% of the world: 0.08% for Bulgaria vs 0.48% for Ukraine.
- For the last 10 years, Bulgaria has had an average growth rate of -0.96% per year vs -1.74% in Ukraine.
- Since 2006, the population of Bulgaria has decreased from 7.6M people to 6.36M (16.3% decline), while Ukraine has declined from 47.3M to 40.1M (15.1% decline).
Bulgaria vs Ukraine: population by year and forecast
| Year | Population | |
|---|---|---|
Bulgaria
|
Ukraine
|
|
| 2100 | 3,368,029 | 15,493,960 |
| 2099 | 3,392,444 | 15,751,557 |
| 2098 | 3,416,655 | 16,012,938 |
| 2097 | 3,440,938 | 16,278,602 |
| 2096 | 3,465,328 | 16,547,938 |
| 2095 | 3,489,216 | 16,820,897 |
| 2094 | 3,513,318 | 17,098,910 |
| 2093 | 3,537,356 | 17,381,822 |
| 2092 | 3,561,475 | 17,669,049 |
| 2091 | 3,585,597 | 17,960,681 |
| 2090 | 3,609,873 | 18,257,867 |
| 2089 | 3,634,642 | 18,559,027 |
| 2088 | 3,659,749 | 18,865,031 |
| 2087 | 3,685,668 | 19,176,483 |
| 2086 | 3,712,363 | 19,492,606 |
| 2085 | 3,739,898 | 19,812,584 |
| 2084 | 3,768,305 | 20,138,855 |
| 2083 | 3,797,217 | 20,468,747 |
| 2082 | 3,827,186 | 20,803,241 |
| 2081 | 3,857,721 | 21,140,953 |
| 2080 | 3,890,095 | 21,482,498 |
| 2079 | 3,923,403 | 21,827,152 |
| 2078 | 3,957,241 | 22,175,099 |
| 2077 | 3,992,168 | 22,525,846 |
| 2076 | 4,027,738 | 22,879,896 |
| 2075 | 4,064,356 | 23,236,521 |
| 2074 | 4,102,642 | 23,596,095 |
| 2073 | 4,141,518 | 23,957,807 |
| 2072 | 4,180,975 | 24,319,928 |
| 2071 | 4,221,261 | 24,685,370 |
| 2070 | 4,262,568 | 25,053,352 |
| 2069 | 4,304,304 | 25,423,272 |
| 2068 | 4,346,623 | 25,794,560 |
| 2067 | 4,389,924 | 26,168,072 |
| 2066 | 4,433,953 | 26,543,206 |
| 2065 | 4,478,521 | 26,920,121 |
| 2064 | 4,523,406 | 27,298,592 |
| 2063 | 4,568,385 | 27,677,528 |
| 2062 | 4,613,363 | 28,056,960 |
| 2061 | 4,658,825 | 28,437,884 |
| 2060 | 4,704,379 | 28,818,343 |
| 2059 | 4,749,738 | 29,198,891 |
| 2058 | 4,794,388 | 29,580,044 |
| 2057 | 4,839,236 | 29,958,884 |
| 2056 | 4,884,068 | 30,335,136 |
| 2055 | 4,929,309 | 30,710,041 |
| 2054 | 4,974,635 | 31,080,334 |
| 2053 | 5,020,162 | 31,447,868 |
| 2052 | 5,065,364 | 31,811,171 |
| 2051 | 5,110,833 | 32,170,929 |
| 2050 | 5,156,741 | 32,525,262 |
| 2049 | 5,202,941 | 32,875,483 |
| 2048 | 5,249,351 | 33,217,836 |
| 2047 | 5,296,642 | 33,556,749 |
| 2046 | 5,343,848 | 33,892,646 |
| 2045 | 5,391,354 | 34,221,999 |
| 2044 | 5,439,559 | 34,547,153 |
| 2043 | 5,488,407 | 34,869,270 |
| 2042 | 5,537,839 | 35,189,550 |
| 2041 | 5,588,510 | 35,507,946 |
| 2040 | 5,639,850 | 35,823,225 |
| 2039 | 5,692,028 | 36,141,658 |
| 2038 | 5,743,725 | 36,457,134 |
| 2037 | 5,796,645 | 36,772,578 |
| 2036 | 5,849,741 | 37,084,252 |
| 2035 | 5,902,025 | 37,396,243 |
| 2034 | 5,954,460 | 37,706,533 |
| 2033 | 6,007,050 | 38,015,585 |
| 2032 | 6,058,858 | 38,322,554 |
| 2031 | 6,111,118 | 38,630,259 |
| 2030 | 6,163,564 | 38,935,791 |
| 2029 | 6,214,784 | 39,238,099 |
| 2028 | 6,264,738 | 39,537,815 |
| 2027 | 6,313,255 | 39,830,895 |
| 2026 | 6,359,449 | 40,125,599 |
| 2025 | 6,402,394 | 38,707,520 |
| 2024 | 6,441,421 | 37,860,221 |
| 2023 | 6,446,596 | 37,732,836 |
| 2022 | 6,465,097 | 41,048,766 |
| 2021 | 6,507,301 | 44,298,640 |
| 2020 | 6,550,696 | 44,680,014 |
| 2019 | 6,616,726 | 44,957,458 |
| 2018 | 6,710,798 | 45,208,907 |
| 2017 | 6,803,468 | 45,436,041 |
| 2016 | 6,894,139 | 45,616,832 |
| 2015 | 6,984,225 | 45,784,896 |
| 2014 | 7,073,572 | 45,972,380 |
| 2013 | 7,160,005 | 46,126,770 |
| 2012 | 7,305,888 | 46,210,056 |
| 2011 | 7,348,328 | 46,307,853 |
| 2010 | 7,395,599 | 46,456,003 |
| 2009 | 7,444,443 | 46,623,731 |
| 2008 | 7,492,561 | 46,819,175 |
| 2007 | 7,545,338 | 47,062,798 |
| 2006 | 7,601,022 | 47,278,694 |
| 2005 | 7,658,972 | 47,585,556 |
| 2004 | 7,716,860 | 47,979,507 |
| 2003 | 7,775,327 | 48,315,136 |
| 2002 | 7,837,161 | 48,677,281 |
| 2001 | 8,009,142 | 49,106,855 |
| 2000 | 8,170,172 | 49,556,660 |
| 1999 | 8,210,624 | 49,976,446 |
| 1998 | 8,256,786 | 50,379,731 |
| 1997 | 8,312,068 | 50,786,885 |
| 1996 | 8,362,826 | 51,226,109 |
| 1995 | 8,406,067 | 51,665,539 |
| 1994 | 8,443,591 | 52,075,998 |
| 1993 | 8,472,313 | 52,350,126 |
| 1992 | 8,540,164 | 52,323,671 |
| 1991 | 8,632,367 | 52,170,961 |
| 1990 | 8,718,289 | 52,054,092 |
| 1989 | 8,876,972 | 51,917,817 |
| 1988 | 8,981,446 | 51,724,853 |
| 1987 | 8,971,359 | 51,515,732 |
| 1986 | 8,958,171 | 51,318,745 |
| 1985 | 8,960,547 | 51,108,770 |
| 1984 | 8,960,679 | 50,887,599 |
| 1983 | 8,939,738 | 50,637,029 |
| 1982 | 8,917,457 | 50,402,724 |
| 1981 | 8,891,117 | 50,189,281 |
| 1980 | 8,861,535 | 49,955,152 |
| 1979 | 8,825,940 | 49,721,381 |
| 1978 | 8,814,032 | 49,521,243 |
| 1977 | 8,804,183 | 49,336,481 |
| 1976 | 8,758,599 | 49,120,842 |
| 1975 | 8,720,742 | 48,865,229 |
| 1974 | 8,678,745 | 48,576,570 |
| 1973 | 8,620,967 | 48,277,121 |
| 1972 | 8,576,200 | 47,946,893 |
| 1971 | 8,536,395 | 47,573,287 |
| 1970 | 8,489,574 | 47,261,306 |
| 1969 | 8,434,172 | 46,976,256 |
| 1968 | 8,369,603 | 46,614,325 |
| 1967 | 8,310,226 | 46,215,988 |
| 1966 | 8,258,057 | 45,802,519 |
| 1965 | 8,204,168 | 45,386,892 |
| 1964 | 8,144,340 | 44,951,156 |
| 1963 | 8,078,145 | 44,462,372 |
| 1962 | 8,012,946 | 43,943,674 |
| 1961 | 7,943,118 | 43,399,766 |
| 1960 | 7,867,374 | 42,824,093 |
Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population/bulgaria/ukraine | CC BY 
From 2006 to 2016, the population of Bulgaria decreased by 706,883 people (a 9.3% decline), while Ukraine lost 1,661,862 people (a 3.52% decline).
For the next 10 years, from 2016 to 2026, Bulgaria lost 534,690 people (a 7.76% decline), while Ukraine's population decreased by 5,491,233 people (a 12% decline).
Bulgaria was ranked 95th most populous country in 2006 and is 112th in 2026. Ukraine was ranked 27th in 2006 and ranked 40th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Bulgaria's population will shrink by 18.9% to 5,156,741 people with a rank change from 112th to 128th. The population of Ukraine will decrease by 18.9% to 32,525,262 people and rank change from 40th to 60th.
Both countries are in a period of decline and in 50 years are projected to lose 36.7% of the population in Bulgaria and 43% in Ukraine.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Bulgaria
|
Ukraine
|
|
| 2100 | -0.72% | -1.64% |
| 2099 | -0.71% | -1.63% |
| 2098 | -0.71% | -1.63% |
| 2097 | -0.7% | -1.63% |
| 2096 | -0.68% | -1.62% |
| 2095 | -0.69% | -1.63% |
| 2094 | -0.68% | -1.63% |
| 2093 | -0.68% | -1.63% |
| 2092 | -0.67% | -1.62% |
| 2091 | -0.67% | -1.63% |
| 2090 | -0.68% | -1.62% |
| 2089 | -0.69% | -1.62% |
| 2088 | -0.7% | -1.62% |
| 2087 | -0.72% | -1.62% |
| 2086 | -0.74% | -1.62% |
| 2085 | -0.75% | -1.62% |
| 2084 | -0.76% | -1.61% |
| 2083 | -0.78% | -1.61% |
| 2082 | -0.79% | -1.6% |
| 2081 | -0.83% | -1.59% |
| 2080 | -0.85% | -1.58% |
| 2079 | -0.86% | -1.57% |
| 2078 | -0.87% | -1.56% |
| 2077 | -0.88% | -1.55% |
| 2076 | -0.9% | -1.53% |
| 2075 | -0.93% | -1.52% |
| 2074 | -0.94% | -1.51% |
| 2073 | -0.94% | -1.49% |
| 2072 | -0.95% | -1.48% |
| 2071 | -0.97% | -1.47% |
| 2070 | -0.97% | -1.46% |
| 2069 | -0.97% | -1.44% |
| 2068 | -0.99% | -1.43% |
| 2067 | -0.99% | -1.41% |
| 2066 | -1% | -1.4% |
| 2065 | -0.99% | -1.39% |
| 2064 | -0.98% | -1.37% |
| 2063 | -0.97% | -1.35% |
| 2062 | -0.98% | -1.34% |
| 2061 | -0.97% | -1.32% |
| 2060 | -0.95% | -1.3% |
| 2059 | -0.93% | -1.29% |
| 2058 | -0.93% | -1.26% |
| 2057 | -0.92% | -1.24% |
| 2056 | -0.92% | -1.22% |
| 2055 | -0.91% | -1.19% |
| 2054 | -0.91% | -1.17% |
| 2053 | -0.89% | -1.14% |
| 2052 | -0.89% | -1.12% |
| 2051 | -0.89% | -1.09% |
| 2050 | -0.89% | -1.07% |
| 2049 | -0.88% | -1.03% |
| 2048 | -0.89% | -1.01% |
| 2047 | -0.88% | -0.99% |
| 2046 | -0.88% | -0.96% |
| 2045 | -0.89% | -0.94% |
| 2044 | -0.89% | -0.92% |
| 2043 | -0.89% | -0.91% |
| 2042 | -0.91% | -0.9% |
| 2041 | -0.91% | -0.88% |
| 2040 | -0.92% | -0.88% |
| 2039 | -0.9% | -0.87% |
| 2038 | -0.91% | -0.86% |
| 2037 | -0.91% | -0.84% |
| 2036 | -0.89% | -0.83% |
| 2035 | -0.88% | -0.82% |
| 2034 | -0.88% | -0.81% |
| 2033 | -0.86% | -0.8% |
| 2032 | -0.86% | -0.8% |
| 2031 | -0.85% | -0.78% |
| 2030 | -0.82% | -0.77% |
| 2029 | -0.8% | -0.76% |
| 2028 | -0.77% | -0.74% |
| 2027 | -0.73% | -0.73% |
| 2026 | -0.67% | 3.66% |
| 2025 | -0.61% | 2.24% |
| 2024 | -0.08% | 0.34% |
| 2023 | -0.29% | -8.08% |
| 2022 | -0.65% | -7.34% |
| 2021 | -0.66% | -0.85% |
| 2020 | -1% | -0.62% |
| 2019 | -1.4% | -0.56% |
| 2018 | -1.36% | -0.5% |
| 2017 | -1.32% | -0.4% |
| 2016 | -1.29% | -0.37% |
| 2015 | -1.26% | -0.41% |
| 2014 | -1.21% | -0.33% |
| 2013 | -2% | -0.18% |
| 2012 | -0.58% | -0.21% |
| 2011 | -0.64% | -0.32% |
| 2010 | -0.66% | -0.36% |
| 2009 | -0.64% | -0.42% |
| 2008 | -0.7% | -0.52% |
| 2007 | -0.73% | -0.46% |
| 2006 | -0.76% | -0.64% |
| 2005 | -0.75% | -0.82% |
| 2004 | -0.75% | -0.69% |
| 2003 | -0.79% | -0.74% |
| 2002 | -2.15% | -0.87% |
| 2001 | -1.97% | -0.91% |
| 2000 | -0.49% | -0.84% |
| 1999 | -0.56% | -0.8% |
| 1998 | -0.67% | -0.8% |
| 1997 | -0.61% | -0.86% |
| 1996 | -0.51% | -0.85% |
| 1995 | -0.44% | -0.79% |
| 1994 | -0.34% | -0.52% |
| 1993 | -0.79% | 0.05% |
| 1992 | -1.07% | 0.29% |
| 1991 | -0.99% | 0.22% |
| 1990 | -1.79% | 0.26% |
| 1989 | -1.16% | 0.37% |
| 1988 | 0.11% | 0.41% |
| 1987 | 0.15% | 0.38% |
| 1986 | -0.03% | 0.41% |
| 1985 | -0.001% | 0.43% |
| 1984 | 0.23% | 0.49% |
| 1983 | 0.25% | 0.46% |
| 1982 | 0.3% | 0.43% |
| 1981 | 0.33% | 0.47% |
| 1980 | 0.4% | 0.47% |
| 1979 | 0.14% | 0.4% |
| 1978 | 0.11% | 0.37% |
| 1977 | 0.52% | 0.44% |
| 1976 | 0.43% | 0.52% |
| 1975 | 0.48% | 0.59% |
| 1974 | 0.67% | 0.62% |
| 1973 | 0.52% | 0.69% |
| 1972 | 0.47% | 0.79% |
| 1971 | 0.55% | 0.66% |
| 1970 | 0.66% | 0.61% |
| 1969 | 0.77% | 0.78% |
| 1968 | 0.71% | 0.86% |
| 1967 | 0.63% | 0.9% |
| 1966 | 0.66% | 0.92% |
| 1965 | 0.73% | 0.97% |
| 1964 | 0.82% | 1.1% |
| 1963 | 0.81% | 1.18% |
| 1962 | 0.88% | 1.25% |
| 1961 | 0.96% | 1.34% |
Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).
GeoRank.org/population/bulgaria/ukraine | CC BY
In 2024, the population of Bulgaria declined by 0.08%, while Ukraine's population grew by 0.34%.
Live population counters
|
Bulgaria
|
Ukraine
|
|
|---|---|---|
| Current population |
6359449
|
40125599
|
| Population rank | 112/197 | 40/197 |
| Percent of world population | 0.08% | 0.48% |
| One net population change |
1.69 hours
|
4.13 minutes
|
| One birth every |
9.16 minutes
|
2.48 minutes
|
| One death every |
5.19 minutes
|
1.06 minutes
|
| Daily growth/decline | -14 | +349 |
| Annual growth/decline | -5,175 | +127,385 |
| Annual growth/decline rate | -0.08% | +0.34% |
| Population growth rate rank | 171/197 | 147/197 |
| One migration net change every |
2.97 hours
|
18.6 seconds
|
| Annual migration change | -2,961 | +1,702,358 |
| Net migration rank | 106/196 | 1/196 |
| Foreign-born residents | 299,100 | 5,064,173 |
| Foreign-born residents rank | 98/195 | 14/195 |
| Foreign-born share of population | 4.4% | 13.4% |
| Foreign-born share rank | 99/195 | 51/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Bulgaria
|
Ukraine
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -2,961 | - | 1,702,358 |
| 2024 | - | 524 | - | 1,146,012 |
| 2023 | -43,837 | 5,173 | -283,185 | -299,961 |
| 2022 | -62,065 | 26,498 | -349,284 | -5,699,445 |
| 2021 | -90,452 | 11,756 | -449,941 | -1,129 |
| 2020 | -65,507 | 30,167 | -307,533 | -4,167 |
| 2019 | -46,317 | -2,156 | -236,296 | -6,908 |
| 2018 | -46,304 | -3,873 | -227,491 | -32,220 |
| 2017 | -45,583 | -6,109 | -158,390 | -36,155 |
| 2016 | -42,744 | -9,482 | -135,710 | -31,340 |
| 2015 | -44,699 | -4,227 | -147,107 | -21,992 |
| 2014 | -41,027 | -2,180 | -140,216 | -65,678 |
| 2013 | -37,948 | -1,324 | -129,662 | 26,781 |
| 2012 | -40,183 | -26,334 | -130,451 | 66,768 |
| 2011 | -37,477 | -23,360 | -158,372 | 26,457 |
| 2010 | -34,759 | -21,668 | -180,388 | 16,030 |
| 2009 | -26,800 | -19,060 | -197,918 | 26,796 |
| 2008 | -32,967 | -17,595 | -229,086 | 9,312 |
| 2007 | -37,727 | -16,366 | -282,659 | 15,237 |
| 2006 | -39,526 | -15,184 | -300,787 | 136,442 |
| 2005 | -42,124 | -14,435 | -337,857 | -111,493 |
| 2004 | -40,128 | -13,604 | -344,157 | 5,644 |
| 2003 | -44,319 | -13,183 | -351,299 | 18,540 |
| 2002 | -46,240 | -12,735 | -364,544 | -26,991 |
| 2001 | -44,050 | -30,726 | -374,734 | -92,847 |
| 2000 | -41,668 | -26,211 | -364,143 | -67,865 |
| 1999 | -39,411 | -23,846 | -348,286 | -59,247 |
| 1998 | -52,844 | -23,262 | -318,299 | -80,684 |
| 1997 | -58,185 | -22,963 | -306,549 | -108,735 |
| 1996 | -45,159 | -21,520 | -305,154 | -158,008 |
| 1995 | -42,030 | -22,020 | -281,629 | -134,053 |
| 1994 | -32,086 | -20,984 | -238,820 | -166,380 |
| 1993 | -24,569 | -19,973 | -169,405 | 26,357 |
| 1992 | -18,789 | -120,552 | -95,857 | 291,788 |
| 1991 | -14,675 | -119,356 | -16,486 | 125,962 |
| 1990 | -3,487 | -116,817 | 48,463 | 75,760 |
| 1989 | 5,326 | -114,705 | 106,431 | 36,978 |
| 1988 | 9,879 | 215 | 162,002 | 75,637 |
| 1987 | 8,971 | 357 | 198,850 | -18,275 |
| 1986 | 16,125 | 1,104 | 225,751 | -12,369 |
| 1985 | 11,649 | -19,230 | 201,011 | 5,546 |
| 1984 | 20,610 | -1,032 | 222,430 | 13,340 |
| 1983 | 21,455 | -1,872 | 241,741 | 23,608 |
| 1982 | 24,077 | -1,860 | 194,101 | 9,096 |
| 1981 | 29,341 | -1,830 | 182,839 | 40,807 |
| 1980 | 30,129 | -2,045 | 197,223 | 47,406 |
| 1979 | 40,599 | -872 | 197,294 | 25,635 |
| 1978 | 44,070 | -62,769 | 206,554 | -29,180 |
| 1977 | 47,543 | -11,955 | 216,932 | -24,745 |
| 1976 | 56,055 | -2,522 | 247,323 | -8,219 |
| 1975 | 54,941 | -38,071 | 256,787 | 15,336 |
| 1974 | 64,223 | -1,402 | 273,486 | 31,725 |
| 1973 | 57,760 | -5,409 | 274,938 | 18,777 |
| 1972 | 47,169 | -11,296 | 309,785 | 56,928 |
| 1971 | 52,925 | -7,654 | 305,849 | 74,604 |
| 1970 | 61,125 | -11,315 | 291,839 | -48,335 |
| 1969 | 63,256 | -3,204 | 274,858 | 51,763 |
| 1968 | 69,468 | -132 | 295,162 | 102,096 |
| 1967 | 49,861 | -420 | 313,899 | 85,527 |
| 1966 | 54,504 | -144 | 337,794 | 89,737 |
| 1965 | 58,249 | -1,406 | 334,365 | 69,354 |
| 1964 | 66,783 | 505 | 391,120 | 76,650 |
| 1963 | 66,241 | 500 | 449,648 | 60,178 |
| 1962 | 64,104 | 499 | 481,887 | 45,712 |
| 1961 | 75,460 | 378 | 508,602 | 51,625 |
| 1960 | 76,314 | -1,112 | 538,812 | 52,281 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/bulgaria/ukraine | CC BY
Over the last 10 years, 92.1% of the population change in Bulgaria is from natural causes (a loss of 528,535 people) and 7.94% is from migration (a gain of 45,567 people). In Ukraine 28.2% is from natural causes (a loss of 2,435,153 people) and 71.8% is from migration (a loss of 6,198,995 people).
As of 2024, 299,100 residents or 4.4% of the population were not native-born in Bulgaria, compared to 5,064,173 people or 13.4% in Ukraine.
Biggest cities by population
|
Bulgaria
|
|
|---|---|
| City | Population |
| Sofia | 1.21M |
| Plovdiv | 329K |
| Varna | 319K |
| Burgas | 189K |
| Stara Zagora | 121K |
| Ruse | 121K |
| Pleven | 88.6K |
| Sliven | 78.2K |
| Dobrich | 69.4K |
| Shumen | 66.6K |
|
Ukraine
|
|
|---|---|
| City | Population |
| Kyiv | 2.95M |
| Kharkiv | 1.42M |
| Odesa | 1.01M |
| Dnipro | 969K |
| Donetsk | 902K |
| Lviv | 717K |
| Zaporizhia | 710K |
| Kryvyi Rih | 604K |
| Mykolaiv | 470K |
| Luhansk | 418K |
Compare countries by 7 more topics
Population differences between Bulgaria and Ukraine
|
Bulgaria
|
Ukraine
|
|
|---|---|---|
| Life expectancy | 76.1 years | 75 years |
| Average age | 44.1 years | 43.1 years |
| Median age | 45.5 years | 43.2 years |
| Male:Female ratio | 48.4:51.6 | 46.5:53.5 |
| Fertility rate | 1.81 births per woman | 0.98 births per woman |
| Population density | 151.7 ppl/mi² | 179.4 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).
GeoRank.org/population/bulgaria/ukraine | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-04-06)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
- U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
- Wikidata (2026, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.